IEC 60376:2018 pdf download

IEC 60376:2018 pdf download

IEC 60376:2018 pdf download.Specification of technical grade sulphur hexafluoride (SF 6 ) and complementary gases to be used in its mixtures for use in electrical equipment 1 Scope This document defines the quality for technical grade sulphur hexafluoride (SF 6 ) and complementary gases such as nitrogen (N 2 ) and carbon tetra-fluoride (CF 4 ), for use in electrical...

IEC 61937-13:2018 pdf download

IEC 61937-13:2018 pdf download

IEC 61937-13:2018 pdf download.Digital audio – Interface for non-linear pcm encoded audio bitstreams applying IEC 60958 1 Scope This part of IEC 61 937 specifies the method to convey non-linear PCM bitstreams encoded according to the MPEG-H 3D Audio format. 2 Normative references The following documents are referred to in the text in such a way that some or all...

IEC 60799:2018 pdf download

IEC 60799:2018 pdf download

IEC 60799:2018 pdf download.Electrical accessories – Cord sets and interconnection cord sets 1 Scope This document specifies requirements for cord sets and interconnection cord sets for household and similar general purpose equipment. It does not apply to cord sets for industrial purposes (with plugs and connectors according to IEC 60309) nor to cord extension sets. NOTE Although electrical supply flexes...

IEC 60749-13:2018 pdf download

IEC 60749-13:2018 pdf download

IEC 60749-13:2018 pdf download.Semiconductor devices – Mechanical and climatic test methods – Part 13: Salt atmosphere 4 Test apparatus The following items are required for performing the salt atmosphere test. a) Temperature-controlled chamber with suitable non-corrodible rack for supporting devices. All parts within the test chamber which come in contact with test specimens shall be of materials that will not...

IEC 60665:2018 pdf download

IEC 60665:2018 pdf download

IEC 60665:2018 pdf download.A.C. ventilating fans and regulators for household and similar purposes – Methods for measuring performance 1 Scope This document specifies the performance and the corresponding methods of test of AC ventilating fans for household and similar purposes intended for air forcing and exhaust, driven by single-phase AC motors having a power consumption of less than 1 25...

IEC 61938:2018 pdf download

IEC 61938:2018 pdf download

IEC 61938:2018 pdf download.Multimedia systems – Guide to the recommended characteristics of analogue interfaces to achieve interoperability 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: • IEC Electropedia: available at http://www.electropedia.org/ • ISO Online browsing platform: available at...

IEC 61500:2018 pdf download

IEC 61500:2018 pdf download

IEC 61500:2018 pdf download.Nuclear power plants – Instrumentation and control systems important to safety – Data communication in systems performing category A functions 1 Scope This document establishes requirements for data communication which is used in systems performing category A functions in nuclear power plants. It covers also interface requirements for data communication of equipment performing category A functions with...

IEC 62031:2018 pdf download

IEC 62031:2018 pdf download

IEC 62031:2018 pdf download.LED modules for general lighting – Safety specifications 1 Scope This document specifies general and safety requirements for light-emitting diode (LED) modules: • non-integrated LED modules (LEDni modules) and semi-integrated LED modules (LEDsi modules) for operation under constant voltage, constant current or constant power; • Integrated LED modules (LEDi modules) for use on DC supplies up to...

IEC 60675:2018 pdf download

IEC 60675:2018 pdf download

IEC 60675:2018 pdf download.Household electric direct-acting room heaters – Methods for measuring performance 1 Scope This standard applies to electric direct-acting room heaters. They may be portable, stationary, fixed, or built-in. It does not apply to: – thermal-storage room heaters (IEC 60531 ); – heating appliances incorporated in the building structure; – central heating systems; – heaters connected to an...

IEC 61967-1:2018 pdf download

IEC 61967-1:2018 pdf download

IEC 61967-1:2018 pdf download.Integrated circuits – Measurement of electromagnetic emissions – Part 1: General conditions and definitions 1 Scope This part of IEC 61 967 provides general information and definitions on the measurement of conducted and radiated electromagnetic disturbances from integrated circuits. It also provides a description of measurement conditions, test equipment and set-up as well as the test procedures...